Pith Number

pith:T4FYQSRR

pith:2025:T4FYQSRRT4IK2HKKT2SCMQIAAN

not attested not anchored not stored refs pending

Enhanced Light Extraction and Beam Focusing in GaN LEDs Using Hybrid Metasurface-Distributed Bragg Reflector Structures

Hanbo Xu, Lei Wang, Xinyang Liu

arxiv:2505.23687 v1 · 2025-05-29 · physics.optics · physics.app-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T4FYQSRRT4IK2HKKT2SCMQIAAN}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T11:12:12.724169Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f0b884a319f10ad1d4a9ea4264100034f6b7195492fd2b225f66be0e72cbe81

Aliases

arxiv: 2505.23687 · arxiv_version: 2505.23687v1 · doi: 10.48550/arxiv.2505.23687 · pith_short_12: T4FYQSRRT4IK · pith_short_16: T4FYQSRRT4IK2HKK · pith_short_8: T4FYQSRR

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/T4FYQSRRT4IK2HKKT2SCMQIAAN \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 9f0b884a319f10ad1d4a9ea4264100034f6b7195492fd2b225f66be0e72cbe81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5759b34cde89f7b4ab9854c514ea584c4002e4b30fd76faf57cb9b76aedb78dd",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2025-05-29T17:24:59Z",
    "title_canon_sha256": "73b4647130ebb0e887f94bbd3fdb7207639e0ecfd9471a8e78c810f318e82050"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.23687",
    "kind": "arxiv",
    "version": 1
  }
}